Microsoft fixes big issues on Surface Book and Pro 4 with new firmware update

Windows Hello enhancements, resolved screen flickering and auto-rotate problems, and other performance and stability improvements are part of the April 2016 firmware update for Surface Book and Surface Pro 4.

Surface Book running Windows 10 Pro

Microsoft is now rolling out new firmware updates for its Surface Book, Surface Pro 4, and even for its Surface Pro 3. While the April 2016 update for Surface Pro 3 is just a minor release, Surface Book and Surface Pro 4 get significant improvements, performance boost, and better stability.

On both Surface Pro 4 and Surface Book, Microsoft is addressing various flickering issues when using Microsoft Edge and other applications with an update to the UEFI and HD Graphics 520. There is also a fix for the an auto-rotate problem after resuming from hibernation and detaching the keyboard.

In addition, a new set of drivers for the Surface Camera significantly improves the stability of Windows Hello, and the front and rear cameras. Also, users will see a more specific Windows Hello driver update (v1.0.45.0) that further improves Windows Hello stability.

Specific to Surface Book, the April 2016 firmware update brings an update for the NVIDIA GeForce GPU driver update (v10.18.13.6200) to add support for some games.

Specific to Surface Pro 4, a new Surface CoSAR driver update (v1.0.47.0) is rolling out to add support for additional Wi-Fi signal algorithms to improve signal strength with some 5-GHz access points.

On Surface Pro 3, Surface Pro 4, and Surface Book, the software giant is also releasing updates for the Surface Dock to improve stability and compatibility with external monitors and passive video adapters.

If you want to learn more about all the specific changelogs, you can visit the Microsoft Update History website for Surface Book, Surface Pro 4, and Surface Pro 3.

The April 2016 firmware update is rolling out immediately to the devices. The updates will download and install automatically, but you can always go to Settings > Update & security > Windows Update and click the Check for updates button to force the update.

If you own any of the Surface devices that are getting the new updates, let us know if you notice any improvements. 

About the author

Mauro Huculak is a Windows expert and the Editor-in-Chief who started Pureinfotech in 2010 as an independent online publication. He is also been a Windows Central contributor for nearly a decade. Mauro has over 12 years of experience writing comprehensive guides and creating professional videos about Windows, software, and related technologies, including Android and Linux. Before becoming a technology writer, he was an IT administrator for seven years. In total, Mauro has over 20 years of combined experience in technology. Throughout his career, he achieved different professional certifications from Microsoft (MSCA), Cisco (CCNP), VMware (VCP), and CompTIA (A+ and Network+), and he has been recognized as a Microsoft MVP for many years. You can follow him on X (Twitter), YouTube, LinkedIn and About.me.